21661436

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2393}}^1$

素因数の和:2501

約数の個数: 24

約数和(自身を含む): 39682944

約数和(自身を除く): 18021508

約数列:

[1, 2, 4, 31, 62, 73, 124, 146, 292, 2263, 2393, 4526, 4786, 9052, 9572, 74183, 148366, 174689, 296732, 349378, 698756, 5415359, 10830718, 21661436]

約数ペア:

[(1, 21661436), (2, 10830718), (4, 5415359), (31, 698756), (62, 349378), (73, 296732), (124, 174689), (146, 148366), (292, 74183), (2263, 9572), (2393, 9052), (4526, 4786)]